We confirm firstly the existence of lengthways and radial eddy, verify the accuracy of the former eddy theories hypothesis, and disclose the flow characteristics of the vortex blower.

• 首次证实了纵向旋涡和径向旋涡的存在,验证了前人旋涡理论假说的正确性,揭示旋涡鼓风机的流动特点。